Finding the Fourth Proportional to 6,288,870.51, 8,678,589.12 and 3,535,570.21

Step by Step Solution

1. Step 1: Write the proportion equation
   6,288,870.51 : 8,678,589.12 = 3,535,570.21 : x
2. Step 2: Convert to fraction form
   6,288,870.51/8,678,589.12 = 3,535,570.21/x
3. Step 3: Cross multiply
   6,288,870.51x = 8,678,589.12 × 3,535,570.21
4. Step 4: Simplify right side
   6,288,870.51x = 30,683,761,188,037.52
5. Step 5: Solve for x
   x = 30,683,761,188,037.52/6,288,870.51
6. Step 6: Final answer
   x = 4,879,057.56